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Adding new column to existing DataFrame in Python pandas
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24 Answers
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How to remove specific value from array using jQuery
I have an array that looks like this: var y = [1, 2, 3];
20 Answers
20
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How to randomly select an item from a list?
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2751
Use random.choice()
import random
foo = ['a', 'b', 'c', 'd', 'e']
print(random.choice(foo))...
What is the difference between “def” and “val” to define a function
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329
Method def even evaluates on call and creates new function every time (new instance of Function...
psycopg2: insert multiple rows with one query
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228
I built a program that inserts multiple lines to a server that was located in another city.
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How to format numbers? [duplicate]
...// or use a string like 'en-US' to override it.
{ minimumFractionDigits: 2 }
);
console.log(value);
// In en-US, logs '100,000.00'
// In de-DE, logs '100.000,00'
// In hi-IN, logs '1,00,000.00'
If you're using Node.js, you will need to npm install the intl package.
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.NET JIT potential error?
...io, and running the release outside Visual Studio. I'm using Visual Studio 2008 and targeting .NET 3.5. I've also tried .NET 3.5 SP1.
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Access an arbitrary element in a dictionary in Python
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612
On Python 3, non-destructively and iteratively:
next(iter(mydict.values()))
On Python 2, non-...
What is the difference between precision and scale?
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205
Precision 4, scale 2: 99.99
Precision 10, scale 0: 9999999999
Precision 8, scale 3: 99999.99...
How to get indices of a sorted array in Python
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>>> import numpy
>>> numpy.argsort(myList)
array([0, 1, 2, 4, 3])
http://docs.scipy.org/doc/numpy/reference/generated/numpy.argsort.html
This returns the arguments that would sort the array or list.
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